• Minako Kobayashi and Masato Kusunoki.
• Nihon Geka Gakkai Zasshi. 2015 Jul 1; 116 (4): 232-5.

AbstractPreoperative preparation of the bowel includes two methods, mechanical bowel preparation (MBP) to remove gross feces and oral antibiotic bowel preparation (OABP) to reduce the colonic bacterial load. MBP and OABP have been performed since the 1940s to 1950s. MBP is routinely performed to reduce the morbidity and mortality of elective colorectal surgery and has been a surgical dogma since the early 1970s. However, numerous prospective, randomized, controlled trials and meta-analyses have questioned the need for MBP in elective colorectal surgery, and a meta-analysis showed that significantly more anastomotic leaks were found after MBP. OABP decreases postoperative infectious complications considerably, although the results differ with the type of antibiotic used. Recently, several large retrospective studies have demonstrated that MBP plus OABP is associated with reduced postoperative infectious complications including surgical site infection rates after elective colorectal surgery. Further prospective, randomized trials of MBP and OABP alone and in combination should be conducted.

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